About: http://webisa.webdatacommons.org/358629110

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	a shell having anoutwardly-directed flange region, it would of course be possible to provide a suitable securing region for securing the sealing device to other types of shell.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com